Damping A Passenger Car With A Gyroscopic Damper System

Paper #:
  • 2015-01-1506

Published:
  • 2015-04-14
DOI:
  • 10.4271/2015-01-1506
Citation:
Scheurich, B., Koch, T., Frey, M., and Gauterin, F., "Damping A Passenger Car With A Gyroscopic Damper System," SAE Int. J. Passeng. Cars - Mech. Syst. 8(2):630-637, 2015, doi:10.4271/2015-01-1506.
Pages:
8
Abstract:
Today, body vibration energy of passenger cars gets dissipated by linear working shock absorbers. A new approach substitutes the damper of a passenger car by a cardanic gimbaled flywheel mass. The constructive design leads to a rotary damper in which the vertical movement of the wheel carrier leads to revolution of the rotational axis of the flywheel. In this arrangement, the occurring precession moments are used to control damping moments and to store vibrational energy. Different damper characteristics are achieved by different induced precession. From almost zero torque output to high torque output, this damper has a huge spread.Next to the basic principal, in this paper an integration in the chassis, including a constructive proposal is shown. A conflict with high torque and high angular velocity leads to a special design. Moreover concepts to deal with all vehicle situations like yawing, rolling and pitching are shown. Since the gyroscope acts in global world coordinate system the movement of the vehicle has to be considered. This leads to a special control of all for systems together regarding different direction of the flywheels angular velocity.
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